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Dragon Fish for Sale: Freshwater vs Saltwater Differences
Dragon Fish for Sale: Freshwater vs Saltwater Differences

When people search for dragon fish for sale, they are usually looking for one of several very different animals that share that dramatic common name. The term dragon fish is used loosely across the aquarium hobby to describe everything from freshwater Arowanas and Violet Gobies to saltwater Dragonface Pipefish and Dragonets. Understanding which dragon fish you are actually looking for is the most important first step before buying anything. Dr. Reef’s Quarantined Fish, based in Tulsa, Oklahoma, carries the Dragon Goby at $99.99, a brackish water species with a dragon-like appearance, listed under Saltwater Fish and Gobies at drreefsquarantinedfish.com.
What Is a Dragon Fish? Why the Name Causes Confusion
The term dragon fish does not refer to a single species. It is a loose common name applied to multiple completely unrelated fish that share either a dragon-like appearance, elongated body shape, or intimidating presence.
In the freshwater world, dragon fish most commonly refers to the Asian Arowana, also called the dragon fish or Asian dragon fish, a large, expensive, and legally restricted freshwater fish prized in Asian cultures for its dragon-like scales and perceived good luck. It is illegal to import into the United States under the Endangered Species Act.
In the brackish and saltwater world, dragon fish commonly refers to the Dragon Goby, also called the Violet Goby or Dragon Fish Goby. This elongated, eel-like fish has a metallic violet-grey body and a dragon-like face that inspired the name. This is the dragon fish you will find at Dr. Reef’s Quarantined Fish.
Other saltwater fish sometimes called dragon fish include Dragonface Pipefish, Dragonets, and Dragon Wrasses, all of which are also available at Dr. Reef’s.
What Is the Dragon Goby at Dr. Reef’s?
The Dragon Goby sold at Dr. Reef’s Quarantined Fish carries the scientific name Gobioides broussonnetii, priced at $99.99 – $114.99 . It is also commonly called the Violet Goby, Violet Dragon Goby, and Dragon Fish Goby. It is an elongated, eel-like goby native to brackish estuaries and coastal waters of the Atlantic, known for its unusual appearance and bottom-dwelling sifting behavior.
Its metallic violet to grey body and long shape give it a genuinely dragon-like look that is unlike any typical reef fish. It is a unique addition for hobbyists prepared to maintain the specific brackish or mesohaline conditions this species requires. It is not a typical reef goby and cannot be kept in standard saltwater or freshwater conditions long term.
Freshwater Dragon Fish vs Saltwater Dragon Fish: The Key Differences
This comparison is one of the most searched questions in the dragon fish category and the answer matters enormously before you spend any money.
The Asian Arowana, the freshwater dragon fish, is a large, long-lived fish that can exceed 3 feet in length. It requires a massive freshwater aquarium of 250 gallons or more, prefers soft acidic water, eats live or frozen prey, and can live 20 plus years. It is illegal to own in the United States without specific permits and is listed under CITES Appendix I. The price for legal captive bred specimens outside the US ranges from hundreds to tens of thousands of dollars. If you see an Asian Arowana listed for cheap sale in the US, that listing is almost certainly illegal.
The Dragon Goby at Dr. Reef’s is a brackish water species. It requires water with a specific gravity of approximately 1.005 to 1.010, which is saltier than freshwater but significantly less salty than a full marine reef tank. It grows to 12 to 15 inches in home aquariums, wild individuals can reach 20 to 24 inches, requires a minimum 55 gallon tank with fine sand substrate, and is an omnivorous scavenger with poor eyesight. Care level is moderate.
The Dragonface Pipefish at Dr. Reef’s is a full saltwater reef species, reef safe, and grows to 7 inches. It requires specialized feeding of live copepods and micro-zooplankton and is rated moderate to high care level.
The Dragon Wrasse at Dr. Reef’s is a full saltwater fish only tank species that goes through one of the most dramatic juvenile to adult transformations in the entire hobby. Juveniles have elaborate flowing fin extensions. Adults are powerful, large fish that constantly rearrange rockwork and eat all invertebrates. In Dr.Reef’s they are priced at $99.99 – $114.99Â
Dragon Goby Care Requirements at Dr. Reef’s
The Dragon Goby confirmed on the Dr. Reef’s product page requires the following care conditions.
- Salinity at 1.005 to 1.010 specific gravity, the brackish water range. Standard full saltwater salinity of 1.025 is not appropriate for this species long term. Standard freshwater with no salt is also not appropriate. This specific brackish range is the most important care requirement and the one most commonly misunderstood by buyers.
- Fine sand substrate is essential. The Dragon Goby is a bottom dweller and sifter that uses its specialized jaw to take in mouthfuls of substrate and sift out edible particles. Gravel or coarse substrate is not appropriate and can damage the fish.
- Minimum tank size is 55 gallons with a 4 foot or longer footprint to accommodate its adult size and bottom-dwelling nature.
- Temperature 72 to 80 degrees Fahrenheit. Dim lighting or shaded hiding areas are preferred. Low to moderate water flow. Provide PVC pipe sections or caves as hiding spots.
How to Feed the Dragon Goby
The Dragon Goby is omnivorous, feeding by sifting substrate and consuming detritus, small organisms, algae particles, and organic matter it finds in the substrate.
In captivity it accepts frozen or live meaty foods including bloodworms, brine shrimp, mysis shrimp, tubifex, and small crustaceans. It also accepts algae based and vegetable foods including spirulina flakes and algae wafers. Sinking carnivore pellets that reach the substrate work well as a supplemental staple.
Because of the Dragon Goby’s poor eyesight, food must be placed close to the substrate near where the fish is active or directly near its mouth for reliable detection. Feeding once daily or every other day in small portions is appropriate. Nocturnal or crepuscular activity means evening feedings after lights dim often produce the best feeding response.
Is the Dragon Goby Reef Safe?
No. The Dragon Goby is not reef safe and is not appropriate for standard marine reef tanks. It requires brackish water conditions that are incompatible with coral and most reef invertebrates. It should be kept in a dedicated brackish water system specifically set up for its requirements.
Dragon Goby Compatibility With Other Fish
The Dragon Goby is peaceful with other non-aggressive brackish fish. It may be territorial toward the same species if space is insufficient. Compatible brackish tankmates include peaceful species that share the same salinity requirements. Avoid aggressive fish that may bully or outcompete the Dragon Goby for food, particularly given its poor eyesight makes it vulnerable to competition at feeding time.
Why Quarantine Matters for the Dragon Goby
A quarantined Dragon Goby from Dr. Reef’s means you are receiving a specimen that is free from parasites and pathogens before introduction to your brackish setup. Dr. Reef’s quarantine process also helps acclimate the fish to prepared diets and stabilize health before shipping. Given the specialized care requirements of this species, starting with a healthy, properly acclimated specimen from a trusted quarantine source significantly improves the chance of long-term success.
Other Dragon-Named Fish at Dr. Reef’s Worth Knowing About
Dr. Reef’s carries several other fish that carry the dragon name or dragon-like description.
The Dragonface Pipefish, Corythoichthys haematopterus, is a reef safe, peaceful saltwater species with intricate dragon-scale patterning. It requires a mature, peaceful reef system with abundant live copepods and is rated moderate to high care level. It grows to 7 inches.
The Dragon Wrasse is a saltwater fish only tank species with one of the most dramatic juvenile to adult transformations in the hobby. Juveniles have elaborate flowing fins. Adults become large, powerful rock-moving carnivores.
The Ruby Red Dragonet and Blue Green Mandarin Dragonet are reef safe, peaceful saltwater dragonets that graze on microfauna. Both are specialist feeders rated advanced care level.
All of these species are available at Dr Reef’s Quarantined Fish with full product page details and professional quarantine included with every purchase.
Frequently Asked Questions About Dragon Fish
Q: What is a dragon fish in saltwater aquariums?
 A: The term dragon fish in saltwater hobby most commonly refers to the Dragon Goby, Dragonface Pipefish, or Dragon Wrasse. Dr. Reef’s carries all three. Each has completely different care requirements, tank size needs, and reef compatibility.
Q: Is the Asian Arowana available in the US?Â
A: No. The Asian Arowana is listed under CITES Appendix I and is illegal to import into the United States. Any listing claiming to sell Asian Arowanas in the US should be approached with extreme caution.
Q: What water does the Dragon Goby need?Â
A: Brackish water at 1.005 to 1.010 specific gravity. Not freshwater and not full saltwater. This is the most critical and most commonly misunderstood care requirement for this species.
Q: How big does the Dragon Goby get?
 A: 12 to 15 inches in home aquariums. Wild individuals can reach 20 to 24 inches.
Q: Is the Dragon Goby reef safe?Â
A: No. It requires brackish water conditions incompatible with reef tanks and marine corals.
Q: What is the price of the Dragon Goby at Dr. Reef’s?
 A: $99.99, professionally quarantined, listed under Saltwater Fish and Gobies at drreefsquarantinedfish.com.
Q: What is the difference between a Dragon Goby and a Dragonface Pipefish?Â
A: The Dragon Goby is a large brackish water bottom-dwelling sifter growing to 15 inches. The Dragonface Pipefish is a small, reef safe, full saltwater species growing to 7 inches with intricate dragon-scale patterning and highly specialized feeding requirements.
The Bottom Line on Dragon Fish
The term dragon fish covers a wide range of species with completely different care requirements, legal considerations, and aquarium compatibility. Before buying anything called a dragon fish, know exactly which species you are looking at and what that species actually needs.
Dr. Reef’s Quarantined Fish carries the Dragon Goby at $99.99, the Dragonface Pipefish, the Dragon Wrasse, and several dragonet species, all professionally quarantined and ready to ship overnight via UPS to all 50 states. Whether you are looking for a brackish bottom dweller or a reef safe dragon-patterned centerpiece, drreefsquarantinedfish.com has a verified, quarantined option worth exploring.